As of 1 October 2015[update], the fleet consists of 42 two-car E721-0 series sets (P-2 to P-44), four E721-500 series two-car sets (P-501 to P-504), and three SAT721 series two-car sets (SA101 to SA103), formed as follows with one motored (Mc) and one trailer (Tc') car.[2]
E721-0 series
Designation
Mc
Tc'
Numbering
KuMoHa E721-xx
KuHa E720-xx
The KuMoHa cars have one PS109 single-arm pantograph. The KuHa cars have a toilet.[2]
E721-500 series
Designation
Mc
Tc'
Numbering
KuMoHa E721-50x
KuHa E720-50x
The KuMoHa cars have one PS109 single-arm pantograph. The KuHa cars have a toilet.[2]
E721-1000 series
The 19 four-car E721-1000 series sets (P4-1 to P4-19) are formed as follows, with two motored ("M") cars and two non-powered trailer ("T") cars.[3] The KuHa E720 is located at the southern end.[3]
Designation
Tc'
M
T
Mc
Numbering
KuHa E720-10xx
MoHa E721-10xx
SaHa E721-10xx
KuMoHa E7210-10xx
Weight (t)
34.3
32.0
37.2
39.1
Capacity (seated/total)
50/132
62/152
56/138
The two motored cars (KuMoHa and MoHa) each have one PS109 single-arm pantograph.[3] The KuHa cars have a toilet.[3]
The interior of car KuMoHa E721-1005 of set P4-5 in January 2017
An LED passenger information panel above the doorway in car KuMoHa E721-1005 of set P4-5 in January 2017
SAT721 series
The two-car SAT721 series sets are formed as follows.
Designation
Mc
Tc'
Numbering
SAT721-10x
SAT720-10x
The KuMoHa cars have one PS109 single-arm pantograph. The KuHa cars have a toilet.[2]
The interior of car SAT721-101 in April 2017
Priority seating and luggage space in car SAT721-101 in April 2017
AB900 series
The Abukuma Express AB900 series are derived from the E721-500 and SAT721 series used for JR East.
The first E721-0 series sets were delivered from December 2006, and entered service on 1 February 2007 on Tohoku Main Line services.[2] The first E721-500 and SAT721 series sets were delivered from February 2006 and entered service on Sendai Airport services on 18 March 2007.[2]
The remains of sets P-1 and P-19 at Shinchi Station after the tsunami in 2011
Intermediate cars for the first two E721-1000 sets on delivery from J-TREC Niitsu in September 2016
The first of a fleet of 19 new four-car E721-1000 sets (76 vehicles in total) was introduced on 30 November 2016[8] on Tohoku Main Line, Joban Line, and Senzan Line services, replacing older 719 series units.[9] The new trains are built by J-TREC, with construction shared between the company's Yokohama and Niitsu factories.[9] These trains feature LED interior lighting.[9]
The first four E721-1000 series intermediate cars were delivered from J-TREC's Niitsu factory to its Yokohama factory in September 2016 to be combined with driving cars built there.[10]
In order to replace their 8100 series trains, Abukuma Express announced the order of new AB900 series trains in summer 2018.[4] They are based on the E721 series,[11] and are the first new trains for Abukuma Express since 1988.[12] The first AB900 series set was delivered in February 2019.[4] It entered service on 1 July 2019.[12]
Fleet/build details
The manufacturers and delivery dates for the fleet are as shown below.[2]
^磐越西線でE721系の運転開始 [E721 series enter service on the Banetsu West Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 March 2017. Archived from the original on 9 March 2017. Retrieved 9 March 2017.
^ abcdefgh JR電車編成表 2016冬 [JR EMU Formations – Winter 2016] (in Japanese). Japan: Kotsu Shimbunsha. 18 November 2015. p. 28–29. ISBN978-4-330-62315-3.
^ abcdOne, Akihiro (February 2017). E721系1000番台 [E721-1000 series]. Japan Railfan Magazine (in Japanese). Vol. 57, no. 670. Japan: Koyusha Co., Ltd. p. 50–53.
^ abcd"阿武隈急行AB900系が登場" [Abukuma Express AB900 series appeared]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 February 2019. Archived from the original on 11 August 2019. Retrieved 11 August 2019.
^ ab"【JR貨】【阿武隈急行】AB900系第2編成を甲種輸送" [(JR freight) (Abukuma Express) Transport of the second AB900 series set]. rail.hobidas.com (in Japanese). Neko Publishing. 20 February 2020. Archived from the original on 21 February 2020. Retrieved 21 February 2020.
^ ab"阿武隈急行AB900系4・5号車、3/18運行開始 - フリー乗車券限定発売" [Abukuma Express AB900 Series 4 and 5 Cars Commence Operation on March 18 - Unlimited Ticket Release]. MyNavi Corporation (in Japanese). 16 March 2023. Retrieved 18 March 2023.
^E721系1000番台が営業運転を開始 [E721-1000 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 December 2016. Archived from the original on 4 January 2017. Retrieved 4 January 2017.
^ abcE721系1000 代新造車両の投入について [Details of introduction of new E721-1000 series trains] (PDF). News release (in Japanese). Japan: East Japan Railway Company Sendai Division. 26 May 2016. Archived from the original(PDF) on 18 July 2020. Retrieved 27 May 2016.
^E721系1000番台中間車が甲種輸送される [E721-1000 series intermediate cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 23 September 2016. Archived from the original on 23 September 2016. Retrieved 23 September 2016.
^"阿武隈急行の新型車両AB900系電車が完成 JR貨物の「金太郎」にけん引されて福島へ" [Abukuma Express' new vehicle, the AB900 series train, is completed. Towed by JR Freight “Kintaro” to Fukushima]. excite.co.jp (in Japanese). Excite Japan Co., Ltd. 21 February 2019. Archived from the original on 11 August 2019. Retrieved 11 August 2019.
^ ab"『新型車両』始動！ＡＢ９００系 阿武隈急行、開業以来初導入" ["New vehicle" started! AB900 series Abukuma Express, first introduced since its opening]. minyu-net.com (in Japanese). The Fukushima Minyu Shimbun. 2 July 2019. Archived from the original on 11 August 2019. Retrieved 11 August 2019.
^ ab JR電車編成表 2010夏 [JR EMU Formations – Summer 2010] (in Japanese). Japan: Kotsu Shimbunsha. May 2010. p. 25. ISBN978-4-330-14310-1.
^ abcdefghij JR車両のうごき [JR rolling stock changes]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 46, no. 395. Japan: Kotsu Shimbun. March 2017. p. 127.
^"阿武隈急行AB900系AB-3編成が甲種輸送される" [Delivery of Abukuma Express AB900 series set AB-3]. Japan Railfan Magazine Online (in Japanese). Retrieved 18 March 2023.
